<template>
  <div class="picture-upload">
    <a-upload
      list-type="picture-card"
      :show-upload-list="false"
      :custom-request="handleUpLoad"
      :before-upload="beforeUpload"
    >
      <img v-if="picture?.url" :src="picture?.url" alt="avatar" />
      <div v-else>
        <loading-outlined v-if="loading"></loading-outlined>
        <plus-outlined v-else></plus-outlined>
        <div class="ant-upload-text">点击或拖拽上传图片</div>
      </div>
    </a-upload>
  </div>
</template>


<script lang="ts" setup>
import { ref } from 'vue';
import { PlusOutlined, LoadingOutlined } from '@ant-design/icons-vue';
import { message } from 'ant-design-vue';
import type {UploadProps } from 'ant-design-vue';
import { uploadPictureUsingPost } from '@/api/pictureController.ts'

const loading = ref<boolean>(false);
interface Props{
  picture?:API.PictureVO
  spaceId?:number
  onSuccess?:(newPicture:API.PictureVO) => void
}
const props=defineProps<Props>()

//上传文件
const handleUpLoad=async ({file}:any)=>{
    loading.value=true;
    try {
      const params=props.picture?{id:props.picture.id}:{};
      params.spaceId=props.spaceId
      const res= await uploadPictureUsingPost(params,{},file)
      if(res.data.code===0 && res.data.data){
        message.success("文件上传成功")
        //将上传成功的信息，上传给父组件
        props.onSuccess?.(res.data.data)
      }else {
        message.error("上传文件失败:"+res.data.message)
      }
    }catch(err){
       console.log(err)
       message.error("上传文件失败:"+err.message)
    }
    loading.value=false;
}




/**
 * 上传前的校验
 * @param file
 */
const beforeUpload = (file: UploadProps['fileList'][number]) => {
  const isJpgOrPng = file.type === 'image/jpeg' || file.type === 'image/png';
  if (!isJpgOrPng) {
    message.error('不支持该文件格式上传，推荐jpg或png!');
  }
  const isLt2M = file.size / 1024 / 1024 < 2;
  if (!isLt2M) {
    message.error('不能上传超过 2M 的图片!');
  }
  return isJpgOrPng && isLt2M;
};
</script>


<style scoped>
.picture-upload :deep(.ant-upload) {
  width: 100% !important;
  height: 100% !important;
  min-height: 152px;
  min-width: 152px;
}

.picture-upload img {
  max-width: 100%;
  max-height: 480px;
}

.ant-upload-select-picture-card i {
  font-size: 32px;
  color: #999;
}

.ant-upload-select-picture-card .ant-upload-text {
  margin-top: 8px;
  color: #666;
}

</style>
